package com.ktjy.aop;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class TransactionAspect {
    private static final Logger log = LoggerFactory.getLogger(TransactionAspect.class);
    @Pointcut("execution(* com.ktjy.service*.*(..))")
    public void pt(){}
    @Before(value = "pet()")
    public void before(JoinPoint jp){
        log.info("【TransactionAspect 前置增强】 模拟打开数据库并开启事务...");
        log.info("SqlSession sqlSession = MyBatisUtil.createSqlSession(false);");
    }
    @AfterReturning(value = "pet()",returning = "result")
    public void afterReturning(JoinPoint jp,Object ret){
        log.info("【TransactionAspect 后置增强】 模拟正常完成业务提交事务...");
        log.info("session.rollback();");
    }
    @AfterThrowing(value = "pet()",throwing = "e")
    public void afterThrowing(JoinPoint jp,Throwable e){
        log.info("【TransactionAspect 异常抛出增强】 模拟业务异常回滚事务，异常信息为：" + e.getMessage());
        log.info("session.rollback();");
    }
    @After(value = "pet()")
    public void after(JoinPoint jp){
        log.info("【TransactionAspect 最终增强】 模拟业务完成释放资源...");
        log.info("MyBatisUtil.closeSqlSession();");
    }
}
